[PATCH] Optimize "a || b" into "(a | b) != 0"

Richard Henderson rth@redhat.com
Sat Jun 1 12:09:00 GMT 2002


On Sat, Jun 01, 2002 at 11:00:28AM -0600, Roger Sayle wrote:
> Thanks to HP, I now have access to an itanium based machine.
> I'll take a look at how to make use of these "parallel comparison"
> sequences.

Note that the backend already tries to generate them.
IIRC, the source has to be parenthesized in pairs for
the combine patterns to match though.


r~



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